August 2018 1 13 Report
Oblicz wartość liczbową wyrażenia:
a) (a+4b) - (5+2a) - (3b-5) dla a = -0,1 i b = 0,2
b) (-a²+2ab-1) + (a²-4ab+5) dla a= ¼ (jeden kreska ułamkowa cztery) i b = 2.
dam naj!!
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